Organotin mercapto carboxylic acid ester sulfides

ABSTRACT

A POLYVINYL CHLORIDE RESIN STABILIZER IS PROVIDED HAVING A HIGH CONCENTRATION OF TIN, IN THE RANGE FROM ABOUT 18 TO ABOUT 35% BY WEIGHT, AND A HIGH CONCENTRATION OF SULFUR, WITHIN THE RANGE FROM ABOUT 10 TO ABOUT 25% SULFUR, COMPRISING AT LEAST ONE ORGANOTIN ALPH-OR BETAMERCAPTO CARBOXYLIC ACID ESTER SULFIDE, AND PREFERABLY MIXED MONOORGANOTIN AND DIORGANOTIN ALPHA- OR BETAMERCAPTO CARBOXYLIC ACID ESTER SULFIDES. POLYVINYL CHLORIDE RESIN COMPOSITIONS ARE ALSO PROVIDED, CONTAINING THESE STABILIZERS.



